Firmware Engineer

Hays

📍 Málaga, Andalusia, Spain

Full-time Other-General Posted March 03, 2026

Job Description

We are looking for a

Firmware Developer

with

3–4 years of experience

to join their

R&D team

in a fast-growing startup environment. In this role, you will design and implement cutting-edge firmware for embedded systems and optical transceivers, contributing directly to the growth and success of the company.

Key Responsibilities:

Participate in feasibility studies and draft initial firmware architecture. Collaborate with hardware and system engineers using

Scrum methodology . Design and implement firmware for optical transceivers, including peripheral drivers and communication interfaces (I2C, SPI, UART). Implement host interfaces based on

CMIS/MIS standards . Develop firmware ahead of hardware availability using emulators or evaluation boards. Conduct bring-up and debugging on prototypes using lab instruments (oscilloscopes, logic analyzers, protocol sniffers). Execute firmware validation and DVT t...